vSpherereference :: If you hit Ctrl-Alt-Del on an ESX 4 console, it will reboot the server even if there are running VMs and it doesn’t care if the server is not in Maintenance Mode.

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If you hit Ctrl-Alt-Del on an ESX 4 console, it will reboot the server even if there are running VMs and it doesn’t care if the server is not in Maintenance Mode.

by robert stothard on Fri 13 Nov 2009 15:20 GMT | Permanent Link

A student on my course has just alerted me to this (James), a default setting on ESX 4, which I think is potentially dangerous these days. If you hit Ctrl-Alt-Del on an ESX 4 console, it will reboot the server even if there are running VMs and it doesn’t care if the server is not in Maintenance Mode.

This is an old throwback which most modern Linux distribution disable these days. To disable this yourself, open up /etc/inittab in your favourite editor and comment out the “ca::ctrlaltdel:/sbin/shutdown -t3 -r now” line with a # symbol so it looks like this:

# Trap CTRL-ALT-DELETE
# ca::ctrlaltdel:/sbin/shutdown -t3 -r now

Aslo seen here http://www.vreference.com/2009/11/09/dangerous-default-on-esx-4/

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